2018 Ford Mustang engine computer — Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA price snapshot
- Low
- $30
- Average
- $123
- High
- $331
Year & trim-specific price guide
Used 2018 Ford Mustang Engine Computer — Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA prices
Trim-specific pricing for the Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA variant of the 2018 Ford Mustang engine computer, built from 45 real salvage yard listings with condition grade detail.
Price summary
A used 2018 Ford Mustang engine computer (Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA) costs $30 to $331, with a median asking price of $91. Based on 45 priced salvage yard listings across the US, updated Aug 30, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$91
Grade B (good)$331
USD
Condition comparison
Price by part grade
Grade AClean / low wear$30–$30541 listings
Grade BStandard used$65–$3312 listings
Grade CVisible wearUpdating
Grade XUngraded$30–$1252 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $30–$305 | 41 | |
| Grade BStandard used | $65–$331 | 2 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $30–$125 | 2 |
Median by grade
Grade price comparison
Grade A$91
Grade B$331
Ungraded$125
Median asking price by seller-reported condition grade · $30–$331 overall range
Trim-specific context
How does the Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA compare?
This pricing covers the Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA variant of the 2018 Ford Mustang engine computer, based on 45 priced listings. Its $91 median is 40% below the 2018 Ford Mustang engine computer overall median of $151.
There are 6 other engine computer variants available for the 2018 Ford Mustang.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA in other model years
Same year, other trims
What other 2018 Ford Mustang engine computer variants are available?
Electronic Control Module, Shelby GT350, ID FR3A-12B684-DRA
48 listings$197$70 – $405Electronic Control Module, EcoBoost, MT
45 listings$120$50 – $284Electronic Control Module, GT, MT
45 listings$256$116 – $418Electronic Control Module, EcoBoost, AT, ID JR3A-12A650-NA
44 listings$121$50 – $218Electronic Control Module, GT, AT
37 listings$150$70 – $325Electronic Control Module, Shelby GT350, ID FR3A-12B684-EUA
34 listings$186$80 – $494Back to full guide
2018 Ford Mustang engine computer — all trims
Common questions
2018 Ford Mustang engine computer (Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA) FAQ
How much is a used 2018 Ford Mustang engine computer (Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA)?
Based on 45 priced salvage-yard listings, a used 2018 Ford Mustang engine computer in the Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA variant lists between $30 and $331, with a median asking price of $91.
Which years use the Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA engine computer?
The Electronic Control Module, EcoBoost, AT, ID RMFR3A-12A650-EA variant appears in model years 2018, 2019. Prices and availability may differ by year.